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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-14 11:37:46 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-14 11:37:46 +0200 |
| commit | d59fdcf2ac501de99c3dfb452af5e254d4342886 (patch) | |
| tree | ad5e2efd6f8aacf2a08b1ed8a54ddf96642e83f3 /kernel | |
| parent | 2387ce57a8167490d3b34a7e1ffa9a64a1a76244 (diff) | |
| parent | bce7f793daec3e65ec5c5705d2457b81fe7b5725 (diff) | |
| download | lwn-d59fdcf2ac501de99c3dfb452af5e254d4342886.tar.gz lwn-d59fdcf2ac501de99c3dfb452af5e254d4342886.zip | |
Merge commit 'v2.6.26' into x86/core
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/cpuset.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/kernel/cpuset.c b/kernel/cpuset.c index 9fceb97e989c..798b3ab054eb 100644 --- a/kernel/cpuset.c +++ b/kernel/cpuset.c @@ -1882,7 +1882,7 @@ static void scan_for_empty_cpusets(const struct cpuset *root) * in order to minimize text size. */ -static void common_cpu_mem_hotplug_unplug(void) +static void common_cpu_mem_hotplug_unplug(int rebuild_sd) { cgroup_lock(); @@ -1894,7 +1894,8 @@ static void common_cpu_mem_hotplug_unplug(void) * Scheduler destroys domains on hotplug events. * Rebuild them based on the current settings. */ - rebuild_sched_domains(); + if (rebuild_sd) + rebuild_sched_domains(); cgroup_unlock(); } @@ -1912,11 +1913,22 @@ static void common_cpu_mem_hotplug_unplug(void) static int cpuset_handle_cpuhp(struct notifier_block *unused_nb, unsigned long phase, void *unused_cpu) { - if (phase == CPU_DYING || phase == CPU_DYING_FROZEN) + switch (phase) { + case CPU_UP_CANCELED: + case CPU_UP_CANCELED_FROZEN: + case CPU_DOWN_FAILED: + case CPU_DOWN_FAILED_FROZEN: + case CPU_ONLINE: + case CPU_ONLINE_FROZEN: + case CPU_DEAD: + case CPU_DEAD_FROZEN: + common_cpu_mem_hotplug_unplug(1); + break; + default: return NOTIFY_DONE; + } - common_cpu_mem_hotplug_unplug(); - return 0; + return NOTIFY_OK; } #ifdef CONFIG_MEMORY_HOTPLUG @@ -1929,7 +1941,7 @@ static int cpuset_handle_cpuhp(struct notifier_block *unused_nb, void cpuset_track_online_nodes(void) { - common_cpu_mem_hotplug_unplug(); + common_cpu_mem_hotplug_unplug(0); } #endif |